The bitrate is still a low value.Ĭomplete name : H:\Avidemux DVD Constant Bitrate 8000 GOP Size 12.mpg If I change the Encoding Mode to Constant Bitrate and choose a Target Bitrate of 8000, it is ignored. I assume this is due to the bitrate of the edited source MP4 having a similar bitrate? (Ignoring the bitrate capacity of the DVD.) To encode only once, directly to DVD format.īut getting a much lower variable bit rate than the DVD is capable of and the DVD ends up only being half full. So I tried the auto DVD setting (Constant Quantiser) in Avidemux and chose a GOP size 12 (which the Synod DVD uses). I am wondering that encoding to save the edited file from Avidemux (resulting in 3 Mbps instead of 15 mbps), then encoding again in DVDStyler is not optimal. Almost filled up.īut I think the quality could be better, compared to a DVD we get from Synod. Getting around 3.8 gigabtyes for the DVD. Time code source : Group of pictures header Since this is only a 60 minute video, have plenty of room on the DVD.Ĭomplete name : H:\DVDStyler of Avidemux Mpeg4 AVC (x264) MP4v2 - VTS_01_1.VOB In DVDStyler, the Video bitrate ends up being around 8 MBit/s. I have been taking this edited MP4 and putting it in DVDStyler to master the DVD. Plus the Frame rate mode changed from Constant to Variable.Īlso noticed the Codec ID is now mp42 (mp42/isom) versus mp42 (mp41/isom) of the original.Ĭannot find a non-Copy Video Output/Output Format combination that comes anywhere near preserving the original bitrate. Sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 /īframes=3 / b_pyramid=2 / b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / open_gop=0 / weightp=2 / Keeping the defaults.īut MediaInfo shows the bitrate is drastically reduced:Ĭomplete name : H:\Avidemux Mpeg4 AVC (x264) MP4v2.mp4 What I have been trying is Mpeg4 AVC (x264) for the Video Output, MP4v2 Muxer for the Output Format. Plus cannot find out problems without buying first.)īecause editing (cuts only) by necessity occurs on P-Frames, need to re-encode the edited file (60 minute time limit). (Prefer to use open source as opposed to expensive software which may not produce the desired outcome. Original frame rate : 29.970 (30000/1001) fpsĪfter consulting the Oracle of Google, trying Avidemux 12.6.12 64bit for the editing part and DVDStyler for the mastering part.
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